Rock for greenhouse

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Kamikid Thomasville, GA(Zone 8a) Nov 16, 2007

I have just finished my greenhouse and ready to put in some type of rock. It is a leanto by Elite, 6.5W x 16.5L.x 8.4 H. I was thinking I would put down some landscape material and then put rock on it. What size rock would be best? I'm also not sure what heaters to use. Electric is available but also Propane. Any suggestions would be appreciated.

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beclu727 Dacula, GA(Zone 7b) Nov 16, 2007

I put down landscape fabric over the leveled red clay and then pea gravel (about 4 inches deep) in mine. It has worked well so far. Less than 2 years old though. Drains well when I water, etc. My GH is only 6 x 8 so I use a small electric heater. Haven't see a difference in electric bill. I have a small kerosene heater for backup in case electricity ever goes out. When it was down to the 20s here last winter, it stayed in the low 40s in the GH.

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stressbaby Fulton, MO Nov 17, 2007

I would avoid pea gravel and go with 3/4" crushed rock.

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oldmudhouse Las Cruces, NM(Zone 8a) Nov 17, 2007

I used crushed rock that's about 3/4"-1" in size. I read some complaints from folks using pea gravel because they said it got stuck in their shoe treads, and they tracked it in the house. Maybe it depends on your footwear!

I went with electric heaters since the GH was very close to the power already, and it seemed like a simpler solution for us. My gh is 10x12 and I'm also in zone 8. (Cooling will be a much bigger challenge than heating for me.) I figure one 1500w heater will work for my gh most of the time, but I have two heaters ready for our coldest nights.

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Kamikid Thomasville, GA(Zone 8a) Nov 17, 2007

I finally decided to go with landscape material first and them limerock. It is used in many of the greenhouses here. Also I am going to use electric for this winter and see how it does. Thanks for all your suggestions. Elaine

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beclu727 Dacula, GA(Zone 7b) Nov 18, 2007

My pea gravel isn't pea size. Its actually 1/2 to 1 1/2 inches mixed rounded pebbles. I don't have any problems with it sticking to my shoes. I don't like crushed rock because it is usually more dusty, at least the kind we get here.

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